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Reference Architecture | Dynamic L4-L7 Service Insertion with Cisco ACI and A10 Thunder ADC

Figure 15: Associating service graph with a security contract

Once the service graph is applied and rendered, the A10 device will receive conﬁguration through REST

API commands from the APIC. Table 1 shows the A10 Thunder ADC load balancing conﬁguration after APIC

has rendered the service graph and pushed conﬁguration to it. The management interface conﬁguration is

preconﬁgured and doesn’t change. The Ethernet interface conﬁguration, servers, service group and virtual servers

are conﬁgured by the APIC controller. The A10 Thunder ADC device conﬁguration is managed and updated by

APIC in this deployment model and doesn’t require any manual interaction with the Thunder ADC devices.

The service graph status can be checked in the APIC GUI; if the service graph is rendered successfully, then the

status code is “applied,” but if the service graph rendering fails due to some error, the status code is “failed-to-

apply.” Figure 16 shows the service graph rendering status on the APIC GUI.

Figure 16: APIC GUI showing Deployed Service Graph Instances

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